NEET Biology Solved Question Paper 2008

Multiple Choice Questions

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One gene- one enzyme hypothesis of Beadle and Tatum was experimentally proved on

  • Saccharomyces 

  • Neurospora crassa

  • Lathyrus odoratus

  • Claviceps

B.

Neurospora crassa

One gene- one enzyme theory was given by Beadle and Tatum in 1958, while they were working on red mould or Neurospora crassa (Ascomycetes fungus), which is also called Drosophila of plant kingdom.

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    RNA is not found in

    • chromosome

    • plasmalemma

    • nucleolus

    • ribosome

    Answer

    Stop codons are

    • AUG, GUG

    • UAA, UGA, UAG

    • UAC, UGG

    • AGU, AGA, UAC

    Answer

    Retrovirus have genetic material

    • DNA only

    • RNA only

    • DNA or RNA only

    • either DNA or RNA

    Answer

    According to Kyoto protocol the major nations abide to reduce concentration of green house gases by

    • 2008

    • 2010

    • 2012

    • 2018

    Answer
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    Study of Ecology of population is called

    • Autecology

    • Synecology

    • Ecotype

    • Demecology

    Answer

    Bio- indicators are used for

    • oxygen demand

    • air pollution

    • mineral present

    • All of the above

    Answer

    Which of the following is not a Pyrimidine?

    • Thymine

    • Uracil

    • Guanine

    • Cytosine

    Answer

    A lake with nutrients is called

    • trophic

    • euphotic

    • oligotrophic

    • eutrophic

    Answer
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    Nitrifying bacteria are able to

    • convert atmospheric nitrogen into soluble forms

    • convert ammonia to nitrate

    • ammonia to nitrogen

    • nitrate to nitrogen

    Answer